Problem

For the bar subjected to the linear varying axial load shown in Figure P3–54, determine...

For the bar subjected to the linear varying axial load shown in Figure P3–54, determine the nodal displacements and axial stress distribution using (a) two equal-length elements and (b) four equal-length elements. Let A = 2 in.2 and E = 30 106 psi. Compare the finite element solution with an exact solution.

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